1D. Cell batteries

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ATP, ADP, AMP molecules

4 Terms

1
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How do cells store their batteries?

They store them in high energy chemical bonds (e.g. ADP, ATP, GTP)

2
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What is AMP?

  • It stands for Adenosine monophosphate

  • It is Adenosine with one attached phosphoric acid residue

  • Breaking the covalent bond will release energy but 30% of that energy is lost (not the most efficient)

  • Not as common as ADP and ATP


3
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What is ADP?

  • Adenosine diphosphate

  • has 2 phosphoric acid residues attached to the adenosine (via covalent bonds) → more stored energy than AMP

  • More common than AMP


4
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What is ATP?

  • Adenosine triphosphate

  • has 3 phosphoric acid residues attached to the adenosine (via covalent bonds) → full battery and ready for use!

  • moves to sites that need ATP and comes back as ADP ready for another phosphoric acid to bond again